What is the current water temperature in Fukuoka?

Q: What is the current water temperature in Fukuoka?

As of now, in Fukuoka, the water temperature is 14.3°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

Japan > Fukuoka

Water temperature in Fukuoka

Detailed information about the current water temperature in Fukuoka. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

57.7

°F

April 4, 09:28

Trend:

stable

Yesterday:

57.8°F

Tomorrow:

58.1°F

Sunrise:

06:03

Sunset:

18:41

Day Length:

12 h. 38 min.

Fukuoka in April

Minimum:

57.5°F

Average:

59.0°F

Maximum:

61.3°F

Sea water temperature in Fukuoka today

As of now, in Fukuoka, the water temperature is 57.7°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.6°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 58.9°F on 2021, while the historical minimum was 55.8°F on 2024.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 58.8°F, with minimum temperature starting at 58.1°F, while the maximum might reach 59.6°F.

Daily water temperature in Fukuoka

Date	Current Year actual* / forecast**	last year	10 years average
Mar 21	55.1°F	53.7°F	56.0°F
Mar 22	56.0°F	53.5°F	56.2°F
Mar 23	57.0°F	53.4°F	56.1°F
Mar 24	56.6°F	53.7°F	56.2°F
Mar 25	57.1°F	53.3°F	56.1°F
Mar 26	56.8°F	53.6°F	56.2°F
Mar 27	55.4°F	55.0°F	56.0°F
Mar 28	55.6°F	55.3°F	56.3°F
Mar 29	57.1°F	55.5°F	56.6°F
Mar 30	59.3°F	55.7°F	56.9°F
Mar 31	59.0°F	56.0°F	57.3°F
Apr 1	58.7°F	56.2°F	57.4°F
Apr 2	58.3°F	55.4°F	57.1°F
Apr 3	57.8°F	55.9°F	57.2°F
Apr 4	57.7°F	56.0°F	57.1°F
Apr 5	58.1°F	56.2°F	57.5°F
Apr 6	58.4°F	55.7°F	57.7°F
Apr 7	58.6°F	56.5°F	58.0°F
Apr 8	58.6°F	56.1°F	57.9°F
Apr 9	59.1°F	57.9°F	58.5°F
Apr 10	59.5°F	58.0°F	58.9°F
Apr 11	59.6°F	57.8°F	59.0°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Fukuoka by month

In Fukuoka, the months July through October offer comfortable swimming conditions, which amounts to 112 swimming days.

The warmest water in Fukuoka was recorded on August 4, 2024, reaching a 88.2°F. While the coldest temperature occurred on March 10, 2025, dipping to 51.7°F. The average readings by season are 58.5°F in Winter, 60.1°F in Spring, 77.8°F in Summer, and 73.5°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kitakyushu	57.1°F	30mi
Shimonoseki	57.5°F	39mi
Kumamoto	61.2°F	57mi
Nagasaki	63.5°F	66mi

* current water temperature in this city

** straight line distance from Fukuoka